#include <stdio.h>
#include <windows.h>
-int main()
+void Usage(WCHAR* name)
+{
+ wprintf(L"Usage: %s testfile\n", name);
+}
+
+int wmain(int argc, WCHAR* argv[])
{
int ReturnValue = 1;
- DWORD dwRead;
- DWORD dwWritten;
+ DWORD dwFileSize;
+ DWORD dwRead, dwWritten;
HANDLE hFile = INVALID_HANDLE_VALUE;
HANDLE hPrinter = NULL;
DOC_INFO_1W docInfo;
- BYTE Buffer[20000];
+ BYTE Buffer[4096];
- hFile = CreateFileW(L"testfile", GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
+ if (argc <= 1)
+ {
+ Usage(argv[0]);
+ return 0;
+ }
+
+ hFile = CreateFileW(argv[1], GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
printf("CreateFileW failed, last error is %lu!\n", GetLastError());
goto Cleanup;
}
- if (!ReadFile(hFile, Buffer, sizeof(Buffer), &dwRead, NULL))
+ dwFileSize = GetFileSize(hFile, NULL);
+ if (dwFileSize == INVALID_FILE_SIZE)
{
- printf("ReadFile failed, last error is %lu!\n", GetLastError());
+ printf("File is too big, or GetFileSize failed; last error is %lu!\n", GetLastError());
goto Cleanup;
}
goto Cleanup;
}
+ /* Print to a printer, with the "RAW" datatype (pDatatype == NULL or "RAW") */
ZeroMemory(&docInfo, sizeof(docInfo));
docInfo.pDocName = L"winspool_print";
goto Cleanup;
}
- if (!WritePrinter(hPrinter, Buffer, dwRead, &dwWritten))
+ while (dwFileSize > 0)
{
- printf("WritePrinter failed, last error is %lu!\n", GetLastError());
- goto Cleanup;
+ dwRead = min(sizeof(Buffer), dwFileSize);
+ if (!ReadFile(hFile, Buffer, dwRead, &dwRead, NULL))
+ {
+ printf("ReadFile failed, last error is %lu!\n", GetLastError());
+ goto Cleanup;
+ }
+ dwFileSize -= dwRead;
+
+ if (!WritePrinter(hPrinter, Buffer, dwRead, &dwWritten))
+ {
+ printf("WritePrinter failed, last error is %lu!\n", GetLastError());
+ goto Cleanup;
+ }
}
if (!EndPagePrinter(hPrinter))
ReturnValue = 0;
Cleanup:
- if (hFile != INVALID_HANDLE_VALUE)
- CloseHandle(hFile);
-
if (hPrinter)
ClosePrinter(hPrinter);
+ if (hFile != INVALID_HANDLE_VALUE)
+ CloseHandle(hFile);
+
return ReturnValue;
}